Adjunct Professor, Civil and Environmental Engineering, University of Alberta

Professor of analytical and environmental chemistry

Northeastern University, Boston

Fudan University, Shanghai, CHINA

Nanjing University

University of Colorado Boulder

Professor of Energy and Environmental Engineering, Queen's University Belfast

Professor of Environmental Chemistry, University of Kentucky

Andlinger Center for Energy and the Environment, Princeton University

Dipartimento di Scienze Chimiche, Universita' degli Studi di Napoli Federico II